洗衣机甩桶在甩干衣服时,衣服都紧贴在甩桶侧壁上,则衣服做圆周运动的向心力是
选词填空。 what where how who (1)_____ is her name ? (2)______ do you live ? (3)______ old is your sister ? (4)_____ is the pretty girl ? (5)_____ do you like to go ?
给下列单词选择正确的中文翻译。
E.聪明的 ( ) (1) new( ) (2) smart ( ) (3) this ( ) (4) little ( ) (5) cute
( ) She ___ very tall and thin . A. are B. is C. were
( ) _____ is clever ! A. I B. You C. He
( ) He has a small _________. A. hair B. eyes C. mouth